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Finding the Third Proportional to 69,521,060 and 105,176,382

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Solution

The third proportional to 69,521,060 and 105,176,382 is: 159,118,277.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,521,060 : 105,176,382 = 105,176,382 : x
  2. Step 2: Convert to fraction form
    69,521,060/105,176,382 = 105,176,382/x
  3. Step 3: Cross multiply
    69,521,060x = 105,176,382 × 105,176,382
  4. Step 4: Simplify right side
    69,521,060x = 11,062,071,330,609,924
  5. Step 5: Solve for x
    x = 11,062,071,330,609,924/69,521,060
  6. Step 6: Final answer
    x = 159,118,277.69

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.